Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"python using pre snippets" » "python using code snippets", "python nursing pre snippets", "python using one snippets", "python using ph snippets"
"tri chi dan snippets" » "tai chi dan snippets", "tri nhi dan snippets", "trien chi dan snippets", "tri choi dan snippets", "tri chi van snippets", "tri thi dan snippets"

You may be able to get more results by adjusting your search query.

• The words AND, OR and NOT may confuse the search; try adding quotes: "((((\"python using pre snippets\") OR (\"tri chi dan snippets\"))) OR (\"locating bug core snippets\"))~".
• Removing quotes may allow a broader search: (((( python using pre snippets ) OR ( tri chi dan snippets ))) OR ( locating bug core snippets ))~.
• Adding a wildcard symbol may retrieve word variants: (((("python using pre snippets") OR ("tri chi dan snippets"))) OR ("locating bug core snippets"))*.